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Compare the published Medicare service mix of Michael L Richardson, M.D. with clinicians in the same registry specialty: Family Practice · General Surgery (CMS).

CA · Exact areaEdit location

2024 published service data · 80 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Ashkan Javaheri, M.D.

Geriatric Medicine (CMS) · Sacramento, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)
78%Service-mix similarityView profile →

Shantharam Pai, M.D.

Specialty details in registry · San Bernardino, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)
76%Service-mix similarityView profile →

Karl Edward Steinberg, MD

Specialty details in registry · Oceanside, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
67%Service-mix similarityView profile →

Juan Francisco Najarro, M.D.

Specialty details in registry · Loma Linda, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)
  • Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)
65%Service-mix similarityView profile →

Kim Hoang Vu

Family Practice · Geriatric Medicine (CMS) · Pomona, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)
  • Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)
62%Service-mix similarityView profile →

Nicholas Salpeter Buckley, DO

Specialty details in registry · San Mateo, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)
60%Service-mix similarityView profile →

John Campbell, MD

Family Practice (CMS) · Pismo Beach, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)
60%Service-mix similarityView profile →

Karun Singla, MD

Family Practice · General Practice · Geriatric Medicine (CMS) · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)
59%Service-mix similarityView profile →

Christian Jaime Ramirez Haro, MD

Family Practice · Geriatric Medicine (CMS) · La Jolla, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes (99307)
58%Service-mix similarityView profile →

Roger Nguyen Tran, MD

Family Practice · Geriatric Medicine (CMS) · Laguna Hills, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)
58%Service-mix similarityView profile →

Minerva Catalan Navarro, MD

Geriatric Medicine (CMS) · Mountain View, CA

Shared published services
3 shared services · view billing descriptions
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)
  • Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)
57%Service-mix similarityView profile →

Alastair Tabunda Mondala, M.D.

Geriatric Medicine (CMS) · South San Francisco, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)
  • Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)
55%Service-mix similarityView profile →
How this comparison works

We use the same calendar year of CMS Medicare Physician & Other Practitioners data for both providers. Published non-drug service counts are combined by HCPCS code across places of service. We apply log(1 + count), normalize the vectors, and compare them using cosine similarity.

Candidates share the reference provider’s current NPPES primary taxonomy and match the location you enter. We examine up to 500 candidates in NPI order, then show up to 12 with the highest positive similarity within that set. The score is not a percentile, medical recommendation, or prediction. Suppressed services are not estimated. Medicare fee-for-service data does not describe a provider’s entire practice.

Source: CMS Medicare Physician & Other Practitioners - by Provider and Service : 2024-12-01 · Published May 21, 2026.